Mass Media & Communication GroupUMT Lahore, Pakistan Members Nayab Zahra Presented to: Sir 090303-001 Ahmad Sheikh Fatima Ahmad 100403-007 Ifra Qureshi 090303-020 M. Ali Aktar 100403-006 UMT SUBMITTED TO MR. AHMAD SHEIKH
Physical Media• Physical media we mean channels where the person who is talking can be seen and heard by the audience.• See the body language and feel the climate in the room.• If a message is perceived as important to the receiver they expect to hear it live from their manager.
Broadcast• Media/Broadcasting The term broadcast was first adopted by early radio engineers from the Midwestern United States.• Broadcasting is the distribution of audio and video content to a dispersed audience via any audio visual medium.• Originally all broadcasting was composed of analog signals using analog transmission techniques and more recently broadcasters have switched to digital signals using digital transmission.
Digital Media • Digital media is a form of electronic media where data is stored in digital form. It can refer to the technical aspect of storage and transmission of information or to the “End Product", such as digital video, augmented reality or digital art.
• This emerged in the latter part of the 20th century. New media are the cultural objects N which use digital computer technology for distribution and exhibition. Internet, websites, E computer multimedia, video games. W• New media does not include television programs, feature films, magazines, books, or paper-based publications unless they contain technologies that enable digital interactivity.• Wikipedia, an online encyclopedia, is an example, combining Internet accessible digital M text, images and video with web-links, creative E participation of contributors, interactive feedback of users and formation of a participant D community of editors and donors for the benefit of non-community readers. I A
Hypermedia• Hypermedia is a computer-based information retrieval system that enables a user to gain or provide access to texts, audio and video recordings, photographs and computer graphics related to a particular subject.• Hypermedia is used as a logical extension of the term hypertext in which graphics, audio, video, plain text and hyperlinks intertwine to create a generally non-linear medium of information.• The World Wide Web is a classic example of hypermedia, whereas a non interactive cinema presentation is an example of standard multimedia due to the absence of hyperlinks.
Static Media• Static media include text and still-pictures (graphics, photo, illustrations). These media are stable over time, i.e. enabling the observer to perceive the information in a self-chosen speed.• Examples: Text Pictures
Dynamic Media• Dynamic media are those including sound, voice, animation, video, (interactive-) and simulations.• Compared to static media, dynamic media represent unstable information from the point of view of the observer.• The flow of the information is normally beyond the control of the observer. Examples: Songs Videos
Streaming MediaAllows users to watch or listen to content without downloading.
Real event or function is• When an Time Media processed instantaneously, it is said to occur in real-time. To say something takes place in real- time is the same as saying it is happening "live" or "on-the-fly."• Real-time also describes the way streaming media is processed. Instead of waiting for a file to completely download, the information is played back as it is downloaded. This allows for news broadcasts, sound clips, and other streaming audio and video data to be played live from the Internet.
Podcast• Radio and TV programs available “online” after they have been broadcasted.• They can also be edited and also re-broadcasted.
Brief History• Teletext developed in the United Kingdom in the early 1970s.• It offers text-based information. Subtitle (or closed captioning) information is also transmitted in the teletext signal.• It is basically set up by the researcher to send Closed captioning information to the audience across the country .
Close caption information on a• CCI is the process of displaying text television, video screen or other visual display.• Purpose; to provide additional information.• It show a transcription of the audio portion of a program.
Development• In 1972 the BBC demonstrated their system, now known as Ceefax ("see facts") on various news shows.• The ITA announced their own service in 1973, known as ORACLE.• In 1973–74, towards the end of 1974 the BBC news department started with 30 pages. The Ceefax service was later expanded to 100 pages and was launched formally in 1976.• By 1984, the teletext system evolved into what is now known as World System Teletext (WST).
Usage• Teletext can be used to transmit data in addition to subtitles including information pages, clocks and private data.• Teletext transmission system has some advantages and disadvantages.
Teletext broadcast service• It is free and easily accessible to viewers throughout the country.• Viewers access news, exchange rates and much other resource information on demand from Teletext 24/7.
Advantages of the Teletext system and reliable.• Teletext technology is well proven• Teletext is aimed mainly at the domestic user, though some of the information has commercial importance.• People are able to obtain information at any time the TV station is transmitting.• People can see the news.• people can choose for themselves how long to spend on any particular item.• Teletext information is frequently updated and urgent newsflashes.
Advantages of the Teletext system• People whose hearing is not very good can use teletext .• service covers news reviews, documentaries, films and other entertainments.• The viewer can control whether or not the subtitles are displayed.• A broadcaster can provide more than one language in a Teletext subtitle service.
Advantages of the Teletext system• Teletext subtitling has been adopted in most countries that use the PAL television system to provide an important service for TV viewers who are hearing impaired.• Teletext is transmitted along with ordinary television programme signals and thus does not require separate transmitters or additional radio frequencies.
What types of Information andservices do CEEFAX/ORACLE provide?
What equipment is needed to receive teletext in the home?• Most users of teletext use a TV set with an adaptor that was built-in when the TV set was made in the factory.• It is also possible to buy separate adaptors to convert a non-teletext TV to receive teletext.